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Legacy Sunflower Apartments Page 98 Mitigated Negative Declaration – March 14, 2019 Table 28 Year 2022 Peak Hour Intersection Capacity Analysis Key Intersection Minimum Acceptable LOS Time Period (1) Existing Traffic Conditions (2) Year 2022 Traffic Conditions (3) Year 2022 Plus Project Traffic Conditions (4) Significant Impact (5) Year 2022 Plus Project Plus Improvements Traffic Conditions ICU/HCM LOS ICU/HCM LOS ICU/HCM LOS Increase Yes/No ICU/HCM LOS 1. Flower Street at MacArthur Boulevard D AM 0.652 B 0.683 B 0.683 B 0.000 No -- -- PM 0.833 D 0.873 D 0.873 D 0.000 No -- -- 2. Bristol Street at Sunflower Avenue46,47 E AM 0.571 A 0.605 B 0.607 B 0.002 No -- -- PM 0.730 C 0.785 C 0.787 C 0.002 No -- -- 3. Flower Street/Sakioka Drive at Sunflower Avenue46,47 D AM 0.493 A 0.513 A 0.521 A 0.008 No -- -- PM 0.543 A 0.568 A 0.576 A 0.008 No -- -- 4. Ross Street at Sunflower Avenue46,47 D AM 13.8 s/v B 14.8 s/v B 15.2 s/v C 0.4 s/v No -- -- PM 22.4 s/v C 24.9 s/v C 28.3 s/v D 3.4 s/v No -- -- Notes:  Bold ICU/LOS or HCM/LOS values indicate adverse service levels based on the Cities LOS standards.  s/v = seconds per vehicle 46 For the intersections with shared jurisdictions with the Cities of Santa Ana and Costa Mesa, the City of Costa Mesa TIA/ICU Guidelines were applied and the corresponding LOS results for Year 2022 Conditions are as follows: 2. Bristol Street at Sunflower Avenue: [AM/PM] ICU = 0.608/0.820, LOS = B/D 3. Flower Street/Sakioka Drive at Sunflower Avenue: [AM/PM] ICU = 0.526/0.564, LOS = A/A 4. Ross Street at Sunflower Avenue: No Change 47 For the intersections with shared jurisdictions with the Cities of Santa Ana and Costa Mesa, the City of Costa Mesa TIA/ICU Guidelines were applied and the corresponding LOS results for Year 2022 Plus Project Conditions are as follows: 2. Bristol Street at Sunflower Avenue: [AM/PM] ICU = 0.610/0.822, LOS = B/D 3. Flower Street/Sakioka Drive at Sunflower Avenue: [AM/PM] ICU = 0.535/0.573, LOS = A/A 4. Ross Street at Sunflower Avenue: No Change 6-120